全局唯一标识符(GUID,Globally Unique Identifier)
java
import java.util.UUID;
UUID uuid = UUID.randomUUID();
file=new File(filePath+"\\"+uuid+picname);
//生成唯一图片名称
python
import uuid
fileName = str(uuid.uuid4()) + file.name # 避免文件名称冲突
微信扫一扫
import java.util.UUID;
UUID uuid = UUID.randomUUID();
file=new File(filePath+"\\"+uuid+picname);
//生成唯一图片名称
import uuid
fileName = str(uuid.uuid4()) + file.name # 避免文件名称冲突
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